A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.
Classification: Other articles of iron or steel not wire nesoi
NSN 5975-01-481-1855
NSN 4140-00-740-2153
NSN 5965-00-436-2226
NSN 7035-00-152-0055
NSN 4140-00-067-2590
NSN 6645-01-350-3138
NSN 4140-00-138-4139
NSN 5975-01-320-9036
NSN 6135-01-345-6157
NSN 5925-00-522-2593
NSN 5965-00-630-7872
NSN 6220-01-270-6070